
Product Overview
6.5" Midrange Speaker with Cloth Surround 40W 4 Ohm is an automotive Midrange Loudspeaker featuring a paper cone, cloth surround, 94dB sensitivity, and a 38.6mm voice coil for efficient and controlled midrange performance.
Core Features
1. Efficient 94dB Sensitivity
The Midrange Speaker with Cloth Surround delivers 94dB sensitivity, providing efficient acoustic output for automotive systems where strong midrange performance is required without excessive amplifier power.
2. Dedicated 6.5-Inch Midrange Format
The 6.5" Midrange Speaker offers a practical size for vehicle audio integration, providing a dedicated midrange driver format for multi-speaker configurations.
3. 40W / 80W Power Handling
With 40W nominal and 80W maximum power handling, this 40W 4 Ohm Midrange Speaker provides useful operating headroom for aftermarket and customized automotive audio applications.
4. Large 38.6mm Voice Coil
The 38.6mm two-layer voice coil, combined with a 25.2 OZ magnet and BL of 6.658, provides a robust motor structure for consistent driver operation.
Application Scenarios
Automotive Audio Systems – Used as a dedicated midrange driver in multi-speaker vehicle audio configurations.
Aftermarket Car Audio – Suitable for speaker upgrades and customized audio system projects.
Vehicle Speaker Replacement – A practical 6.5-inch driver format for compatible replacement applications.
Multi-Driver Audio Systems – Can be integrated with dedicated tweeters, woofers, or subwoofers according to system requirements.
Custom Car Audio Projects – Suitable for brands and system integrators developing customized vehicle audio products.
Private Label Speaker Products – Available for distributors and audio brands developing their own automotive speaker lines.
OEM / ODM Services
As a factory-direct speaker manufacturer, we provide OEM and ODM support for customized Midrange Loudspeaker programs:
Customized power and impedance
Cone and surround material options
Voice coil and magnet configurations
Acoustic parameter optimization
Speaker appearance and branding
Logo and label customization
Customized packaging
Prototype and sample development
Bulk production support
Services We Provide
Automotive OEM Suppliers
We provide customized Midrange Loudspeaker solutions for vehicle manufacturers and automotive component suppliers requiring stable production and specification control.
Car Audio Brands
We support private-label speaker programs with customized driver configurations, appearance, branding, packaging, and production requirements.
Distributors & Wholesalers
We supply the 6.5" Midrange Speaker for aftermarket distribution and product portfolios, with support for bulk purchasing and customized specifications.
Aftermarket Audio Suppliers
The Midrange Speaker with Cloth Surround can be supplied for vehicle speaker replacement, audio upgrades, and customized automotive applications.
FAQ
1. What amplifier power is suitable for the 6.5" Midrange Speaker with Cloth Surround 40W 4 Ohm?
Amplifier matching should consider the 40W nominal power rating, system configuration, and desired operating headroom. We can provide matching recommendations based on the customer's complete automotive audio system.
2. How does the 94dB sensitivity benefit this 40W 4 Ohm Midrange Speaker?
The 94dB sensitivity supports efficient acoustic output, allowing the driver to work effectively in automotive audio systems without requiring unnecessarily high amplifier power.
3. What is the advantage of the 38.6mm voice coil in this Midrange Loudspeaker?
The larger voice coil, two-layer winding, 25.2 OZ magnet, and 6.658 BL value form a robust motor structure suitable for the driver's 40W nominal power configuration.
4. Can you provide bulk production for the 6.5" Midrange Speaker?
Yes. We provide factory-direct production for automotive OEM suppliers, car audio brands, distributors, wholesalers, aftermarket suppliers, and audio system integrators.
5. What information should buyers provide when requesting a quotation?
Buyers can provide the required quantity, target specifications, customization requirements, packaging needs, and intended application. We can then evaluate the project and provide a suitable quotation.
| Parameter | Specification |
| Nominal Power | 40 W |
| Maximum Power | 80 W |
| Sensitivity | 94 dB |
| Cone | Paper |
| Surround | Cloth |
| Nominal Impedance | 4 Ohms |
| DC Resistance | 3.0 Ohms |
| Voice Coil Diameter | 38.6 mm |
| Voice Coil Layers | 2 |
| Voice Coil Wire | CCAW |
| Magnet | 25.2 OZ |
| Parameter | Value |
| Fs | 128.1 Hz |
| Vas | 3.7 L |
| Qts | 0.55 |
| Qes | 0.64 |
| Qms | 3.939 |
| Re | 3.0 Ohms |
| Sd | 136.8 cm² |
| Cms | 0.12 |
| Kms | 7.36 N/mm |
| Mms | 11.36 g |
| BL | 6.658 |
MECHANICAL DRAWING
IMP/SPL
Founded in 2025, Ruisound operates a 4,000㎡ manufacturing base in Jiashan, Zhejiang. The company focuses on the research, development, production and sales of electroacoustic products, with product lines covering car speakers, midrange loudspeakers, subwoofers, marine speakers, professional loudspeakers and amplifiers.
Ruisound is built to serve global audio brands, distributors and OEM project customers who need reliable speaker products, flexible customization and stable manufacturing support.